probably not a useful answer, but yes... if you change your activity list to be in arabic or hebrew
but no, there is no way to make the list anchor to the right.
you don't need to click explicitly on the stereo button itself, and can actually tap anywhere in the row - is making the text longer (to fill more of the drop down area) an option for you? then they have a bigger target to click on.
Yeah, that's helpful to know it's not possible. I suspect this is another attempt to stymie attempts to move our field crews workflows forward and onto newer technology.
To change the list to arabic, ensure the label column title includes the arabic language code ar. for more information on multiple language support see Multiple language support—Survey123 for ArcGIS | ArcGIS .
Saying that, i did a little more experimentation and I can now amend my earlier response, you can actually use HTML formatting inside a list also. In the following xlsform example, you can see the arabic list label, but also another list that has english labels, that have HTML formatting. Both will work.
Here is the resultant form for the two select one cases: